FVXX20 KWBC 081250       
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT08/1300Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/339

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE

ERUPTION DETAILS: STRONG EMISSION BEGINNING AT 07/1015Z

OBS ASH DATE/TIME: 08/1215Z

OBS ASH CLOUD: SFC/FL270 10 NM WIDE PLUME EXTENDS FROM
S0128W07826 TO S0158W07905.  ASH IS MOVING SW 5-10 KNOTS. 

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: SATELLITE IMAGERY THOUGH 08/1215Z SHOWS A NARROW
BAND OF THIN ASH EXTENDING APPROXIMATELY 50 NM SOUTHWEST OF
THE VOLCANO. THIS ASH IS ABOVE THE MIDDLE TO LOW LEVEL
CLOUDS SURROUNDING THE SUMMIT MOVING SW IN CONTRAST TO THE
GFS MODEL GUIDANCE.  NEAR SUMMIT ASH APPEARS TO BE SHIFTING
MORE TO THE WEST IN THE LATEST IMAGE.

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT08/1900Z.  
 
NNNN"Attached Graphic Map Depicting Ash Only" 

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